Global Patent Index - EP 0356080 A3

EP 0356080 A3 19910918 - ANIONIC DYE

Title (en)

ANIONIC DYE

Publication

EP 0356080 A3 19910918 (EN)

Application

EP 89308157 A 19890810

Priority

  • GB 8820117 A 19880824
  • GB 8913460 A 19890612

Abstract (en)

[origin: EP0356080A2] A dye which, in the free acid form, has the formula <CHEM> wherein W is COOH X is selected from H, COOH, SO3H, halo, hydroxy, nitro, cyano, C1-6-alkyl, C1-6-alkoxy and C1-6-acylamino; Y is H, COOH or SO3H; Z is H, COOH or SO3H; R & R<1> are each independently H or C1-6-alkyl substituted by 0, 1 or 2 -COOR<2> groups; and R<2> is H or C1-6-alkyl; provided that there are at least two COOH groups and that the number of COOH groups is equal to or greater than the number of SO3H groups. The dye is adapted for the preparation of inks for use in ink jet printing in which it displays high water-fastness on paper.

IPC 1-7

C09B 31/08; C09B 67/22

IPC 8 full level

C09B 31/08 (2006.01); C09B 67/18 (2006.01); C09B 67/22 (2006.01); C09D 11/00 (2006.01)

CPC (source: EP KR US)

C09B 31/08 (2013.01 - EP KR US); C09B 67/002 (2013.01 - EP US); C09B 67/0033 (2013.01 - KR); C09B 67/0055 (2013.01 - EP US); C09D 11/328 (2013.01 - EP US); Y10S 534/01 (2013.01 - EP US)

Citation (search report)

  • [A] FR 2537150 A1 19840608 - CANON KK [JP]
  • [A] CHEMICAL ABSTRACTS, vol. 108, no. 14, 4th April 1988, page 91, abstract no. 114204y, Columbus, Ohio, US; & JP-A-62 250 066 (CANON K.K.) 30-10-1987
  • [A] CHEMICAL ABSTRACTS, vol. 103, no. 18, 14th November 1985, page 70, abstract no. 143353y, Columbus, Ohio, US; & JP-A-60 081 249 (MITSUBISHI CHEM. IND. K.K.) 09-05-1985
  • [A] CHEMICAL ABSTRACTS, vol. 95, no. 6, 10th August 1981, page 75, abstract no. 44707b, Columbus, Ohio, US; I.D. LEVCHENKOVA et al.: "Disazo dyes from alkylaminosalicylic acids" & LATV. PSR ZINAT. AKAD. VESTIS, KIM. SER. 1981, (2), 234-8

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0356080 A2 19900228; EP 0356080 A3 19910918; EP 0356080 B1 19940608; AT E106930 T1 19940615; AU 4020589 A 19900301; AU 614413 B2 19910829; DE 68915896 D1 19940714; DE 68915896 T2 19940922; ES 2055076 T3 19940816; GB 8917764 D0 19890920; HK 23297 A 19970227; IN 176153 B 19960210; JP 2716541 B2 19980218; JP H02140270 A 19900529; KR 0119910 B1 19971022; KR 900003311 A 19900326; US 5053495 A 19911001

DOCDB simple family (application)

EP 89308157 A 19890810; AT 89308157 T 19890810; AU 4020589 A 19890824; DE 68915896 T 19890810; ES 89308157 T 19890810; GB 8917764 A 19890803; HK 23297 A 19970227; IN 707DE1989 A 19890808; JP 21620489 A 19890824; KR 890012093 A 19890824; US 39836989 A 19890824